Live Oak at Piedmont Hills, 3:30 p.m. Thursday: The Acorns entered the week tied atop the Blossom Valley Athletic League’s Mount Hamilton Division with Leigh, so this game could decide the title. Live Oak has won three in a row behind Matthew Cummins (who is batting .481) and Eddie Gomez (.451). Piedmont Hills lost two previous meetings with Live Oak 21-11 and 2-0.

West Catholic Athletic League tournament final, 7 p.m. Thursday at Santa Clara University: Serra won the regular-season title, edging Valley Christian by a game. But don’t count out Bellarmine College Prep (22-10) and St. Francis (18-9). Semifinals are today at 4 and 7 p.m.

San Lorenzo Valley at Leigh, 7 p.m. Thursday, CCS first round: Leigh won eight consecutive league matches to clinch the BVAL Mount Hamilton Division championship, and the Longhorns hope to make a run through the postseason behind senior middle blocker/setter Derek Pires. SLV finished second in the Santa Cruz Coast Athletic League.

Elon Musk unveiled his underground transportation tunnel on Tuesday, allowing reporters and invited guests to take some of the first rides in the revolutionary albeit bumpy subterranean tube — the tech entrepreneur's answer to what he calls "soul-destroying traffic."